Email – IT Blog

Google error “Failed to establish SSL secure connection to host”

Once, a user in Gmail set up mail import from a mail server running on iRedMail and received an error in response:

Dovecot. Autoclean email in Trash

I will give an example of automatic deletion of emails that are in the Trash and Junk/Spam folder, by the way, you can delete emails in other folders in the same way.

Blocking SPAM behind a NAT server

In this article I will give an example of detecting and blocking the sending of spam messages behind a NAT server.

Mail server with Postfix, Dovecot and MySQL

I will give an example of setting up a simple mail server on Postfix, Dovecot and MySQL.
For the test, I use the Ubuntu 16.04 operating system.

How to enable port 587 in Postfix

By default, Postfix listens for connections on port 25/tcp and in this article I will show what needs to be done so that it starts to happen port 587 (submission), since for example in many mail clients when setting up mail, port 587 is offered by default.

How to hide email on a site from spammers

The first way through JavaScript:

Configuring Spamassassin + Postfix

I’ll give an example of installing and configuring Spamassassin to filter spam.

How to install Axigen

Axigen is a free mail server.

Sending e-mail through the console utility Blat in Windows

Official website for downloading the program: www.blat.net

To execute commands with the program, you need to go to the directory where it is located, either specify the full path, or copy to the system directory.

Sending e-mail in Windows via the mailsend console utility

Once I started using the mailsend program to automatically send reports via SMTP, since mailsend supports SSL. Before that I used Blat.